In Kubuntu Plasma 5 i386 the problem is solved. Now I can see the file /usr/share/dbus-1/system-services/org.kde.powerdevil.backlighthelper.service. This file was absent in the previous images, I think this was the cause. Apparently it was a packaging issue, at least in my case.
-- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to Kubuntu PPA. https://bugs.launchpad.net/bugs/1362751 Title: powerdevil makes kded have 100% CPU To manage notifications about this bug go to: https://bugs.launchpad.net/kubuntu-ppa/+bug/1362751/+subscriptions -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs